/**
 * Copyright (C) 2013 The yydorid-framework project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.yangying.androidframework.core.view;

import android.content.Context;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.widget.Gallery;

/**
 * @author YANGYING
 * @date 2011-8-11
 */
public class MyGallery extends Gallery {

    public MyGallery(Context context, AttributeSet attrs) {
        super(context, attrs);
    }
    
	private boolean isScrollingLeft(MotionEvent e1, MotionEvent e2)
    { 
     return e2.getX() > e1.getX();
    } 
    
//    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
//        return false;
//    }
    //减慢滑动速度为1/4
//  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
//    float velocityY) {
//		super.fling(velocityY / 4);
//	}
    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
       float velocityY) {
      int kEvent;
      if(isScrollingLeft(e1, e2)){
       //Check if scrolling left   
       kEvent = KeyEvent.KEYCODE_DPAD_LEFT;
       }  else{
        //Otherwise scrolling right  
        kEvent = KeyEvent.KEYCODE_DPAD_RIGHT; 
        }
      onKeyDown(kEvent, null);
      return true;
      }
}
